. >> i don't know how you get through michigan like -- through something like this. i don't understand. >> and this evening a portrait of the gunman. in one class, every student but one shot and killed. 15 first grades in that one room alone lost in an instant in another classroom, five of the victims were children. a little boy who had a twin sister, he died. his twin in another classroom, hiding in the bathroom with her teacher, survived. the school principal is among the dead. dawn hochsprung and she might have turned on the p.a. system so the eachers could be warned. mary sher hawk. her family saying mary felt like she was doing god's work, another teamer, victor yeah soto, her body found shielding her students. >> her life's dream was to be a teacher, and her instincts kicked in. >> and tonight some of the youngest faces, katherine hubbard, six years old, her family saying, we're greatly saddened by the loss of our beautiful daughter, katherine violet. anna green was seven. she grew up in a home with jazz. her brother survived in the school. her father saying th